Campbell takes over the role from one of the agency's founding partners, Pelle Nilsson, who will now focus on management of B-Reel's North America operations. Prior to B-Reel, Campbell was a managing director/partner for The Great Society Before that, he worked at Wieden + Kennedy, Blast Radius, and Nike.

Most recently, Vattanatham worked at 72andSunny, Los Angeles, as creative director on brands including Activision, Sonos, Google and MillerCoors. Prior to that, he was a full-time and freelancer at 180LA, BSSP, and Goodby, Silverstein & Partners, creating work for HP, Boost Mobile and Converse.

Cork joins the agency from TBWA/Media Arts Lab, where he was an associate creative director on Apple.

Kalagas also joins the agency from TBWA/Media Arts Lab, working as an associate creative director on Apple.

"B-Reel is blazing new trails beyond its core creative capabilities, and embracing the right kind of new talent that will continue to push forward our maker culture and game changing work for clients," said Anders Wahlquist, CEO of B-Reel.

Havas New York tapped Jon Dupuis as chief performance marketing officer and managing director. A new position, Dupuis is charged with scaling and optimizing performance marketing capabilities for clients within the New York group: across Havas Creative, Havas Media, Helia and Cognitive.

Dupuis will report to Laura Maness, CEO of Havas New York. He joins the agency from DigitasLBi where he served as executive vice president, marketing, leading the agency's American Express account. At DigitasLBi for seven years, Dupuis helped the agency expand its relationship with Under Armour, adding performance media agency of record duties. Earlier in his career, Dupuis co-founded NYCA, an agency he grew from two people to a shop of 65 employees with 12 global accounts.

"Jon is a hybrid marketer with a deep understanding of creative, digital, data and media, and a proven track record for leading marketers through transformative growth and organizational change," said Maness. "His strengths are a great match for Havas, as we continue to break new ground in creativity using the tools of modern marketing."

Prior to Isobar, Rennard had spent a decade at Digitas. While there, he led accounts such as Bank of America, GM and Harley Davidson, overseeing a team of nearly 40 creatives.

Coy is responsible for managing a number of business across the Boston and New York offices, including Hannaford and Sotheby's. In addition, he will help lead new practice and service development, with a focus on new business. Prior to Isobar, Coy was director of client services at SapientNitro. While there, he had full P&L and sales responsibility for a portfolio of businesses. Before SapientNitro, Coy was director, business consulting at Oracle.

Szatmary also joins the agency from SapientNitro, where he served as group account director. He was also accountable for creating and driving the account strategy, casting, new business development, operations, negotiating commercial terms, pricing and contract authoring.

"Isobar has grown and evolved over the past year and Boston has become a real priority for us," said Mailing. "We see a lot of growth potential in the region and really wanted to tap into the creative community. These key new hires will allow us to stay on this path of innovation and help us continue to push the limits of creativity and technology."

Salter began his career as a graphic artist and illustrator in the Consumer Products division of the Walt Disney Company. Most recently, he served as associate creative director at Eclipse and associate creative director/senior art director at Trailer Park creative agency.

In addition, Christy Hayes was named account director, reporting to Brandon Gabriel, executive vice president, business development - brand.

Hayes, who previously worked at M&C Saatchi and McCann Erickson, has more than 10 years of experience in brand marketing, integrated campaigns, and both traditional and digital advertising. She has created campaigns for UGG for Men featuring Tom Brady, New Mexico Tourism, Honda Powersports and Sony Pictures Entertainment.

"Over the past few years, Rational has built out our in-house capabilities, including video, to become a one-stop shop for our clients," said Joseph Debons, principal and executive managing director at Rational Interaction. "With Alison's impressive background as a successful storyteller in the digital realm, I'm confident that Alison will take our team to the next level and help us continue to drive innovative work for our clients."